Annotation of Amaya/amaya/AHTURLTools.c, revision 1.156
1.7 cvs 1: /*
2: *
1.133 vatton 3: * (c) COPYRIGHT MIT and INRIA, 1996-2002
1.7 cvs 4: * Please first read the full copyright statement in file COPYRIGHT.
5: *
6: */
1.9 cvs 7:
1.10 cvs 8: /*
9: * AHTURLTools.c: contains all the functions for testing, manipulating,
1.25 cvs 10: * and normalizing URLs. It also contains a local copy of the libWWW
11: * URL parsing functions.
1.10 cvs 12: *
13: * Authors: J. Kahan, I. Vatton
1.106 cvs 14: * R. Guetari: Windows.
1.10 cvs 15: *
16: */
1.7 cvs 17:
1.15 cvs 18: #define THOT_EXPORT extern
1.3 cvs 19: #include "amaya.h"
20:
1.8 cvs 21: #include "init_f.h"
22: #include "AHTURLTools_f.h"
1.100 kahan 23: #include "query_f.h"
1.8 cvs 24:
1.24 cvs 25: #define MAX_PRINT_URL_LENGTH 50
1.106 cvs 26: typedef struct _HTURI
27: {
28: char *access; /* Now known as "scheme" */
29: char *host;
30: char *absolute;
31: char *relative;
32: char *fragment;
1.29 cvs 33: } HTURI;
1.24 cvs 34:
1.152 kahan 35: #ifdef _WINDOWS
36: #define TMPDIR "TMP"
1.155 cvs 37: #define stat _stat
38: #define uint64_t unsigned __int64
39: #define getpid _getpid
1.152 kahan 40: #else
41: #define TMPDIR "TMPDIR"
42: #endif /* _WINDOWS */
1.28 cvs 43:
44: /*----------------------------------------------------------------------
45: ConvertToLowerCase
46: Converts a string to lowercase.
47: ----------------------------------------------------------------------*/
1.124 vatton 48: void ConvertToLowerCase (char *string)
1.28 cvs 49: {
50: int i;
1.93 cvs 51:
1.28 cvs 52: if (!string)
53: return;
54:
1.106 cvs 55: for (i = 0; string[i] != EOS; i++)
1.123 vatton 56: string[i] = tolower (string[i]);
1.28 cvs 57: }
1.22 cvs 58:
1.8 cvs 59: /*----------------------------------------------------------------------
1.75 cvs 60: EscapeChar
61: writes the equivalent escape code of a char in a string
62: ----------------------------------------------------------------------*/
1.109 cvs 63: void EscapeChar (char *string, char c)
1.75 cvs 64: {
1.109 cvs 65: unsigned int i;
66:
67: i = (unsigned char) c & 0xFF;
68: sprintf (string, "%02x", i);
1.75 cvs 69: }
70:
71: /*----------------------------------------------------------------------
1.96 cvs 72: UnEscapeChar
73: writes the equivalent hex code to a %xx coded char
74: ----------------------------------------------------------------------*/
1.109 cvs 75: static char UnEscapeChar (char c)
1.96 cvs 76: {
1.106 cvs 77: return c >= '0' && c <= '9' ? c - '0'
78: : c >= 'A' && c <= 'F' ? c - 'A' + 10
79: : c - 'a' + 10; /* accept small letters just in case */
1.96 cvs 80: }
81:
82: /*----------------------------------------------------------------------
1.75 cvs 83: EscapeURL
84: Takes a URL and escapes all protected chars into
85: %xx sequences. Also, removes any leading white spaces
86: Returns either NULL or a new buffer, which must be freed by the caller
87: ----------------------------------------------------------------------*/
1.106 cvs 88: char *EscapeURL (const char *url)
89: {
90: char *buffer;
91: int buffer_len;
92: int buffer_free_mem;
93: char *ptr;
94: int new_chars;
1.75 cvs 95: void *status;
96:
97: if (url && *url)
98: {
1.106 cvs 99: buffer_free_mem = strlen (url) + 20;
100: buffer = TtaGetMemory (buffer_free_mem + 1);
1.107 kahan 101: ptr = (char *) url;
1.75 cvs 102: buffer_len = 0;
103:
104: while (*ptr)
105: {
106: switch (*ptr)
107: {
108: /* put here below all the chars that need to
109: be escaped into %xx */
1.81 cvs 110: case 0x20: /* space */
1.143 vatton 111: /*case 0x26:*/ /* & */
1.140 kahan 112: case 0x27: /* antislash */
1.75 cvs 113: new_chars = 3;
114: break;
115:
116: default:
1.122 kahan 117: if ((unsigned char )*ptr > 127)
118: new_chars = 3;
119: else
120: new_chars = 1;
1.75 cvs 121: break;
122: }
123:
124: /* see if we need extra room in the buffer */
125: if (new_chars > buffer_free_mem)
126: {
1.76 cvs 127: buffer_free_mem = 20;
1.106 cvs 128: status = TtaRealloc (buffer, sizeof (char)
1.75 cvs 129: * (buffer_len + buffer_free_mem + 1));
130: if (status)
1.114 cvs 131: buffer = (char *) status;
1.106 cvs 132: else
133: {
134: /* @@ maybe we should do some other behavior here, like
135: freeing the buffer and return a void thing */
136: buffer[buffer_len] = EOS;
137: break;
138: }
1.75 cvs 139: }
140: /* escape the char */
1.140 kahan 141: if (new_chars == 3)
142: {
1.106 cvs 143: buffer[buffer_len] = '%';
1.75 cvs 144: EscapeChar (&buffer[buffer_len+1], *ptr);
145: }
1.140 kahan 146: else
147: buffer[buffer_len] = *ptr;
148:
149: /* update the status */
150: buffer_len += new_chars;
151: buffer_free_mem -= new_chars;
152: /* examine the next char */
153: ptr++;
154: }
155: buffer[buffer_len] = EOS;
156: }
157: else
158: buffer = NULL;
159:
160: return (buffer);
161: }
162:
163: /*----------------------------------------------------------------------
164: EscapeXML
165: Takes a string and escapes all protected chars into entity
166: sequences.
167: Returns either NULL or a new buffer, which must be freed by the caller
168: ----------------------------------------------------------------------*/
169: char *EscapeXML (const char *string)
170: {
171: char *buffer;
172: int buffer_len;
173: int buffer_free_mem;
174: char *ptr;
175: char *entity = NULL;
176: int new_chars;
177: void *status;
178:
179: if (string && *string)
180: {
181: buffer_free_mem = strlen (string) + 20;
182: buffer = TtaGetMemory (buffer_free_mem + 1);
183: ptr = (char *) string;
184: buffer_len = 0;
185:
186: while (*ptr)
187: {
188: switch (*ptr)
189: {
190: case 0x26: /* & */
191: entity = "&";
1.141 kahan 192: new_chars = sizeof (entity) - 1;
193: break;
1.140 kahan 194:
1.141 kahan 195: case '<': /* < */
1.140 kahan 196: entity = "<";
1.141 kahan 197: new_chars = sizeof (entity) - 1;
1.140 kahan 198: break;
199:
1.141 kahan 200: case '>': /* > */
1.140 kahan 201: entity = ">";
1.141 kahan 202: new_chars = sizeof (entity) - 1;
203: break;
204:
205: case '"': /* "e; */
206: entity = ""e;";
207: new_chars = sizeof (entity) - 1;
1.140 kahan 208: break;
209:
210: default:
211: new_chars = 1;
212: break;
213: }
214:
215: /* see if we need extra room in the buffer */
216: if (new_chars > buffer_free_mem)
217: {
218: buffer_free_mem = 20;
219: status = TtaRealloc (buffer, sizeof (char)
220: * (buffer_len + buffer_free_mem + 1));
221: if (status)
222: buffer = (char *) status;
223: else
224: {
225: /* @@ maybe we should do some other behavior here, like
226: freeing the buffer and return a void thing */
227: buffer[buffer_len] = EOS;
228: break;
229: }
230: }
231: /* escape the char */
232: if (entity)
233: {
234: sprintf (&buffer[buffer_len], "%s", entity);
235: entity = NULL;
236: }
1.75 cvs 237: else
238: buffer[buffer_len] = *ptr;
239:
240: /* update the status */
241: buffer_len += new_chars;
242: buffer_free_mem -= new_chars;
243: /* examine the next char */
244: ptr++;
245: }
1.106 cvs 246: buffer[buffer_len] = EOS;
1.75 cvs 247: }
1.76 cvs 248: else
249: buffer = NULL;
250:
1.75 cvs 251: return (buffer);
1.122 kahan 252: }
253:
1.75 cvs 254:
255: /*----------------------------------------------------------------------
1.11 cvs 256: ExplodeURL
1.8 cvs 257: ----------------------------------------------------------------------*/
1.106 cvs 258: void ExplodeURL (char *url, char **proto, char **host, char **dir,
259: char **file)
1.8 cvs 260: {
1.33 cvs 261: char *curr, *temp;
262: char used_sep;
1.32 cvs 263:
1.33 cvs 264: if (url && strchr (url, URL_SEP))
265: used_sep = URL_SEP;
266: else
267: used_sep = DIR_SEP;
1.8 cvs 268:
269: if ((url == NULL) || (proto == NULL) || (host == NULL) ||
270: (dir == NULL) || (file == NULL))
271: return;
272:
273: /* initialize every pointer */
274: *proto = *host = *dir = *file = NULL;
275:
276: /* skip any leading space */
277: while ((*url == SPACE) || (*url == TAB))
278: url++;
1.9 cvs 279: curr = url;
280: if (*curr == 0)
1.8 cvs 281: goto finished;
282:
283: /* go to the end of the URL */
1.68 cvs 284: while ((*curr != EOS) && (*curr != SPACE) && (*curr != BSPACE) &&
285: (*curr != __CR__) && (*curr != EOL))
1.9 cvs 286: curr++;
1.8 cvs 287:
288: /* mark the end of the chain */
1.9 cvs 289: *curr = EOS;
290: curr--;
291: if (curr <= url)
1.8 cvs 292: goto finished;
293:
294: /* search the next DIR_SEP indicating the beginning of the file name */
295: do
1.11 cvs 296: curr--;
1.33 cvs 297: while ((curr >= url) && (*curr != used_sep));
1.11 cvs 298:
1.9 cvs 299: if (curr < url)
1.8 cvs 300: goto finished;
1.9 cvs 301: *file = curr + 1;
1.8 cvs 302:
303: /* mark the end of the dir */
1.9 cvs 304: *curr = EOS;
305: curr--;
306: if (curr < url)
1.8 cvs 307: goto finished;
308:
1.29 cvs 309: /* search for the DIR_STR indicating the host name start */
1.33 cvs 310: while ((curr > url) && ((*curr != used_sep) || (*(curr + 1) != used_sep)))
1.9 cvs 311: curr--;
1.8 cvs 312:
313: /* if we found it, separate the host name from the directory */
1.102 kahan 314: if ((*curr == used_sep) && (*(curr + 1) == used_sep))
1.8 cvs 315: {
1.9 cvs 316: *host = temp = curr + 2;
1.33 cvs 317: while ((*temp != 0) && (*temp != used_sep))
1.8 cvs 318: temp++;
1.33 cvs 319: if (*temp == used_sep)
1.8 cvs 320: {
321: *temp = EOS;
322: *dir = temp + 1;
323: }
324: }
325: else
1.11 cvs 326: *dir = curr;
327:
1.9 cvs 328: if (curr <= url)
1.8 cvs 329: goto finished;
330:
331: /* mark the end of the proto */
1.9 cvs 332: *curr = EOS;
333: curr--;
334: if (curr < url)
1.8 cvs 335: goto finished;
336:
1.106 cvs 337: if (*curr == ':')
1.8 cvs 338: {
1.9 cvs 339: *curr = EOS;
340: curr--;
1.8 cvs 341: }
342: else
343: goto finished;
1.11 cvs 344:
1.9 cvs 345: if (curr < url)
1.8 cvs 346: goto finished;
1.9 cvs 347: while ((curr > url) && (isalpha (*curr)))
348: curr--;
349: *proto = curr;
1.8 cvs 350:
351: finished:;
352:
353: #ifdef AMAYA_DEBUG
354: fprintf (stderr, "ExplodeURL(%s)\n\t", url);
355: if (*proto)
356: fprintf (stderr, "proto : %s, ", *proto);
357: if (*host)
358: fprintf (stderr, "host : %s, ", *host);
359: if (*dir)
360: fprintf (stderr, "dir : %s, ", *dir);
361: if (*file)
362: fprintf (stderr, "file : %s ", *file);
363: fprintf (stderr, "\n");
364: #endif
365:
366: }
1.3 cvs 367:
1.116 kahan 368: /*----------------------------------------------------------------------
369: PicTypeToMime
370: Converts a Thot PicType into the equivalent MIME type. If no convertion
371: is possible, it returns NULL.
372: ----------------------------------------------------------------------*/
373: char *PicTypeToMIME (PicType contentType)
374: {
375: char *mime_type;
376:
377: switch (contentType)
378: {
379: case xbm_type:
380: mime_type ="image/x-xbitmap";
381: break;
382: case eps_type:
383: mime_type ="application/postscript";
384: break;
385: case xpm_type:
386: mime_type ="image/x-xpicmap";
387: break;
388: case gif_type:
389: mime_type ="image/gif";
390: break;
391: case jpeg_type:
392: mime_type ="image/jpeg";
393: break;
394: case png_type:
395: mime_type ="image/png";
396: break;
397: case svg_type:
1.138 kahan 398: mime_type =AM_SVG_MIME_TYPE;
1.116 kahan 399: break;
400: case unknown_type:
401: default:
402: mime_type = NULL;
403: }
404:
405: return mime_type;
406: }
1.61 cvs 407:
408: /*----------------------------------------------------------------------
1.117 kahan 409: ImageElement
410: Returns the element (image parameter) and URL (url parameter) of an
411: image in a docImage document. The user must free the memory associated
1.120 kahan 412: with the url parameter if the function is succesful.
413: If the url parameter is NULL, we won't initialize it.
1.117 kahan 414: Returns TRUE if succesful, FALSE otherwise.
415: ----------------------------------------------------------------------*/
416: ThotBool ImageElement (Document doc, char **url, Element *image)
417: {
418: Element el, imgEl;
419: Attribute attr, srcAttr;
420: AttributeType attrType;
421: int length;
422: char *value;
423:
424: if (DocumentTypes[doc] != docImage)
425: return FALSE;
426:
427: /* find the value of the src attribute */
428: attrType.AttrSSchema = TtaGetSSchema ("HTML", doc);
429: attrType.AttrTypeNum = HTML_ATTR_SRC;
430: el = TtaGetRootElement (doc);
431: TtaSearchAttribute (attrType, SearchInTree, el, &imgEl, &srcAttr);
432:
433: if (!imgEl)
434: return FALSE;
435: *image = imgEl;
436:
1.120 kahan 437: if (url)
438: {
439: attr = TtaGetAttribute (imgEl, attrType);
440: length = TtaGetTextAttributeLength (srcAttr) + 1;
441: value = TtaGetMemory (length);
442: TtaGiveTextAttributeValue (srcAttr, value, &length);
443: *url = value;
444: }
1.117 kahan 445: return TRUE;
446: }
447:
448: /*----------------------------------------------------------------------
449: DocImageMimeType
450: Returns the MIME type of a docImage document.
451: ----------------------------------------------------------------------*/
452: char *DocImageMimeType (Document doc)
453: {
454: char *mime_type;
455: LoadedImageDesc *pImage;
456: PicType type;
457: Element image;
458:
459: if (DocumentTypes[doc] != docImage)
460: return NULL;
461:
462: mime_type = NULL;
463: if (!IsHTTPPath (DocumentURLs[doc]))
464: {
465: /* it is a local image */
1.120 kahan 466: if (ImageElement (doc, NULL, &image))
1.117 kahan 467: {
468: type = TtaGetPictureType (image);
469: mime_type = PicTypeToMIME (type);
470: }
471: }
472: else
473: {
474: /* find the value of the src attribute */
475: pImage = ImageURLs;
476: while (pImage != NULL)
477: {
478: if (pImage->document == doc)
479: {
480: if (pImage->content_type)
481: mime_type = pImage->content_type;
482: else if (pImage->elImage && pImage->elImage->currentElement)
483: {
484: type = TtaGetPictureType (pImage->elImage->currentElement);
485: mime_type = PicTypeToMIME (type);
486: }
487: break;
488: }
489: }
490: }
491: return (mime_type);
492: }
493:
1.4 cvs 494: /*----------------------------------------------------------------------
1.9 cvs 495: IsHTMLName
496: returns TRUE if path points to an HTML resource.
1.4 cvs 497: ----------------------------------------------------------------------*/
1.109 cvs 498: ThotBool IsHTMLName (const char *path)
1.106 cvs 499: {
1.136 cvs 500: char temppath[MAX_LENGTH];
501: char suffix[MAX_LENGTH];
502: char nsuffix[MAX_LENGTH];
503: int i;
1.5 cvs 504:
1.101 cvs 505: if (!path)
506: return (FALSE);
1.5 cvs 507:
1.106 cvs 508: strcpy (temppath, path);
1.124 vatton 509: TtaExtractSuffix (temppath, suffix);
1.101 cvs 510: i = 0;
1.106 cvs 511: while (suffix[i] != EOS)
1.101 cvs 512: {
513: /* Normalize the suffix */
514: i = 0;
1.106 cvs 515: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.101 cvs 516: {
1.123 vatton 517: nsuffix[i] = tolower (suffix[i]);
1.101 cvs 518: i++;
519: }
1.106 cvs 520: nsuffix[i] = EOS;
521: if (!strcmp (nsuffix, "html") ||
522: !strcmp (nsuffix, "htm") ||
523: !strcmp (nsuffix, "shtml") ||
524: !strcmp (nsuffix, "jsp") ||
525: !strcmp (nsuffix, "xht") ||
526: !strcmp (nsuffix, "xhtm") ||
1.144 cvs 527: !strcmp (nsuffix, "lhtml") ||
1.106 cvs 528: !strcmp (nsuffix, "xhtml"))
1.101 cvs 529: return (TRUE);
1.106 cvs 530: else if (!strcmp (nsuffix, "gz"))
1.101 cvs 531: {
532: /* take into account compressed files */
1.124 vatton 533: TtaExtractSuffix (temppath, suffix);
1.101 cvs 534: /* Normalize the suffix */
535: i = 0;
1.106 cvs 536: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.101 cvs 537: {
1.123 vatton 538: nsuffix[i] = tolower (suffix[i]);
1.101 cvs 539: i++;
540: }
1.106 cvs 541: nsuffix[i] = EOS;
542: if (!strcmp (nsuffix, "html") ||
543: !strcmp (nsuffix, "htm") ||
544: !strcmp (nsuffix, "shtml") ||
545: !strcmp (nsuffix, "jsp") ||
546: !strcmp (nsuffix, "xht") ||
547: !strcmp (nsuffix, "xhtm") ||
1.144 cvs 548: !strcmp (nsuffix, "lhtml") ||
1.106 cvs 549: !strcmp (nsuffix, "xhtml"))
1.101 cvs 550: return (TRUE);
551: else
552: return (FALSE);
553: }
554: else
555: /* check if there is another suffix */
1.124 vatton 556: TtaExtractSuffix (temppath, suffix);
1.101 cvs 557: }
1.88 cvs 558: return (FALSE);
1.3 cvs 559: }
560:
1.4 cvs 561: /*----------------------------------------------------------------------
1.136 cvs 562: IsMathMLName
563: returns TRUE if path points to an MathML resource.
1.56 cvs 564: ----------------------------------------------------------------------*/
1.136 cvs 565: ThotBool IsMathMLName (const char *path)
1.56 cvs 566: {
1.136 cvs 567: char temppath[MAX_LENGTH];
568: char suffix[MAX_LENGTH];
1.56 cvs 569:
570: if (!path)
571: return (FALSE);
572:
1.106 cvs 573: strcpy (temppath, path);
1.124 vatton 574: TtaExtractSuffix (temppath, suffix);
1.56 cvs 575:
1.136 cvs 576: if (!strcasecmp (suffix, "mml"))
1.56 cvs 577: return (TRUE);
1.106 cvs 578: else if (!strcmp (suffix, "gz"))
1.56 cvs 579: {
580: /* take into account compressed files */
1.124 vatton 581: TtaExtractSuffix (temppath, suffix);
1.136 cvs 582: if (!strcasecmp (suffix, "mml"))
1.60 cvs 583: return (TRUE);
584: else
585: return (FALSE);
586: }
587: else
588: return (FALSE);
589: }
590:
591: /*----------------------------------------------------------------------
1.136 cvs 592: IsSVGName
593: returns TRUE if path points to an SVG resource.
1.133 vatton 594: ----------------------------------------------------------------------*/
1.136 cvs 595: ThotBool IsSVGName (const char *path)
1.133 vatton 596: {
1.136 cvs 597: char temppath[MAX_LENGTH];
598: char suffix[MAX_LENGTH];
1.133 vatton 599:
600: if (!path)
601: return (FALSE);
602:
603: strcpy (temppath, path);
604: TtaExtractSuffix (temppath, suffix);
605:
1.136 cvs 606: if (!strcasecmp (suffix, "svg"))
1.133 vatton 607: return (TRUE);
608: else if (!strcmp (suffix, "gz"))
609: {
610: /* take into account compressed files */
611: TtaExtractSuffix (temppath, suffix);
1.136 cvs 612: if (!strcasecmp (suffix, "svg"))
1.133 vatton 613: return (TRUE);
614: else
615: return (FALSE);
616: }
617: else
618: return (FALSE);
619: }
620:
621: /*----------------------------------------------------------------------
1.136 cvs 622: IsXMLName
623: returns TRUE if path points to an XML resource.
1.103 cvs 624: ----------------------------------------------------------------------*/
1.136 cvs 625: ThotBool IsXMLName (const char *path)
1.103 cvs 626: {
1.136 cvs 627: char temppath[MAX_LENGTH];
628: char suffix[MAX_LENGTH];
1.103 cvs 629:
630: if (!path)
631: return (FALSE);
632:
1.106 cvs 633: strcpy (temppath, path);
1.124 vatton 634: TtaExtractSuffix (temppath, suffix);
1.103 cvs 635:
1.136 cvs 636: if (!strcasecmp (suffix, "xml") ||
637: !strcasecmp (suffix, "xht") ||
638: !strcmp (suffix, "xhtm") ||
1.145 kahan 639: !strcmp (suffix, "xhtml") ||
640: !strcmp (suffix, "smi"))
1.103 cvs 641: return (TRUE);
1.106 cvs 642: else if (!strcmp (suffix, "gz"))
1.103 cvs 643: {
644: /* take into account compressed files */
1.124 vatton 645: TtaExtractSuffix (temppath, suffix);
1.136 cvs 646: if (!strcasecmp (suffix, "xml") ||
647: !strcasecmp (suffix, "xht") ||
648: !strcmp (suffix, "xhtm") ||
1.145 kahan 649: !strcmp (suffix, "xhtml") ||
650: !strcmp (suffix, "smi"))
1.103 cvs 651: return (TRUE);
652: else
653: return (FALSE);
654: }
655: else
656: return (FALSE);
657: }
658:
659: /*----------------------------------------------------------------------
1.136 cvs 660: IsUndisplayedName
661: returns TRUE if path points to an undisplayed resource.
1.103 cvs 662: ----------------------------------------------------------------------*/
1.136 cvs 663: ThotBool IsUndisplayedName (const char *path)
1.103 cvs 664: {
1.106 cvs 665: char temppath[MAX_LENGTH];
666: char suffix[MAX_LENGTH];
1.103 cvs 667:
668: if (!path)
669: return (FALSE);
670:
1.106 cvs 671: strcpy (temppath, path);
1.124 vatton 672: TtaExtractSuffix (temppath, suffix);
1.103 cvs 673:
1.136 cvs 674: if (!strcasecmp (suffix, "exe") ||
675: !strcasecmp (suffix, "zip") ||
676: !strcasecmp (suffix, "ppt") ||
677: !strcasecmp (suffix, "pdf") ||
678: !strcasecmp (suffix, "ps") ||
679: !strcasecmp (suffix, "eps") ||
680: !strcasecmp (suffix, "tar") ||
681: !strcasecmp (suffix, "tgz") ||
682: !strcasecmp (suffix, "ddl") ||
683: !strcasecmp (suffix, "o"))
1.103 cvs 684: return (TRUE);
1.106 cvs 685: else if (!strcmp (suffix, "gz"))
1.103 cvs 686: {
687: /* take into account compressed files */
1.124 vatton 688: TtaExtractSuffix (temppath, suffix);
1.136 cvs 689: if (!strcasecmp (suffix, "exe") ||
690: !strcasecmp (suffix, "zip") ||
691: !strcasecmp (suffix, "ppt") ||
692: !strcasecmp (suffix, "pdf") ||
693: !strcasecmp (suffix, "ps") ||
694: !strcasecmp (suffix, "eps") ||
695: !strcasecmp (suffix, "tar") ||
696: !strcasecmp (suffix, "ddl") ||
697: !strcasecmp (suffix, "o"))
1.103 cvs 698: return (TRUE);
699: else
700: return (FALSE);
701: }
702: else
703: return (FALSE);
704: }
705:
706: /*----------------------------------------------------------------------
1.60 cvs 707: IsCSSName
708: returns TRUE if path points to an XML resource.
709: ----------------------------------------------------------------------*/
1.111 cvs 710: ThotBool IsCSSName (const char *path)
1.60 cvs 711: {
1.106 cvs 712: char temppath[MAX_LENGTH];
713: char suffix[MAX_LENGTH];
1.60 cvs 714:
715: if (!path)
716: return (FALSE);
717:
1.106 cvs 718: strcpy (temppath, path);
1.124 vatton 719: TtaExtractSuffix (temppath, suffix);
1.60 cvs 720:
1.106 cvs 721: if (!strcasecmp (suffix, "css"))
1.60 cvs 722: return (TRUE);
1.106 cvs 723: else if (!strcmp (suffix, "gz"))
1.60 cvs 724: {
725: /* take into account compressed files */
1.124 vatton 726: TtaExtractSuffix (temppath, suffix);
1.106 cvs 727: if (!strcasecmp (suffix, "css"))
1.56 cvs 728: return (TRUE);
729: else
730: return (FALSE);
731: }
732: else
733: return (FALSE);
734: }
735:
736: /*----------------------------------------------------------------------
1.9 cvs 737: IsImageName
738: returns TRUE if path points to an image resource.
1.4 cvs 739: ----------------------------------------------------------------------*/
1.111 cvs 740: ThotBool IsImageName (const char *path)
1.106 cvs 741: {
742: char temppath[MAX_LENGTH];
743: char suffix[MAX_LENGTH];
744: char nsuffix[MAX_LENGTH];
1.5 cvs 745: int i;
746:
747: if (!path)
1.13 cvs 748: return (FALSE);
1.5 cvs 749:
1.106 cvs 750: strcpy (temppath, path);
1.124 vatton 751: TtaExtractSuffix (temppath, suffix);
1.5 cvs 752:
753: /* Normalize the suffix */
754: i = 0;
1.106 cvs 755: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.13 cvs 756: {
1.123 vatton 757: nsuffix[i] = tolower (suffix[i]);
1.13 cvs 758: i++;
759: }
1.106 cvs 760: nsuffix[i] = EOS;
761: if ((!strcmp (nsuffix, "gif")) || (!strcmp (nsuffix, "xbm")) ||
762: (!strcmp (nsuffix, "xpm")) || (!strcmp (nsuffix, "jpg")) ||
763: (!strcmp (nsuffix, "png")) || (!strcmp (nsuffix, "au")))
1.39 cvs 764: return (TRUE);
765: return (FALSE);
1.3 cvs 766: }
767:
1.4 cvs 768: /*----------------------------------------------------------------------
1.58 cvs 769: IsImageType
770: returns TRUE if type points to an image resource.
771: ----------------------------------------------------------------------*/
1.111 cvs 772: ThotBool IsImageType (const char *type)
1.58 cvs 773: {
1.106 cvs 774: char temptype[MAX_LENGTH];
1.58 cvs 775: int i;
776:
777: if (!type)
778: return (FALSE);
779:
1.106 cvs 780: strcpy (temptype, type);
1.58 cvs 781: /* Normalize the type */
782: i = 0;
1.106 cvs 783: while (temptype[i] != EOS)
1.58 cvs 784: {
785: temptype[i] = tolower (temptype[i]);
786: i++;
787: }
1.111 cvs 788: if (!strcmp (temptype, "gif") || !strcmp (temptype, "x-xbitmap") ||
789: !strcmp (temptype, "x-xpixmap") || !strcmp (temptype, "jpeg") ||
790: !strcmp (temptype, "png"))
1.58 cvs 791: return (TRUE);
792: return (FALSE);
793: }
794:
795: /*----------------------------------------------------------------------
1.9 cvs 796: IsTextName
1.4 cvs 797: ----------------------------------------------------------------------*/
1.111 cvs 798: ThotBool IsTextName (const char *path)
1.106 cvs 799: {
800: char temppath[MAX_LENGTH];
801: char suffix[MAX_LENGTH];
802: char nsuffix[MAX_LENGTH];
1.5 cvs 803: int i;
804:
805: if (!path)
1.13 cvs 806: return (FALSE);
1.5 cvs 807:
1.106 cvs 808: strcpy (temppath, path);
1.124 vatton 809: TtaExtractSuffix (temppath, suffix);
1.5 cvs 810:
811: /* Normalize the suffix */
812: i = 0;
1.106 cvs 813: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.5 cvs 814: {
1.25 cvs 815: nsuffix[i] = tolower (suffix[i]);
1.5 cvs 816: i++;
817: }
1.106 cvs 818: nsuffix[i] = EOS;
1.5 cvs 819:
1.111 cvs 820: if (!strcmp (nsuffix, "txt") || !strcmp (nsuffix, "dtd"))
1.13 cvs 821: return (TRUE);
1.106 cvs 822: else if (!strcmp (nsuffix, "gz"))
1.13 cvs 823: {
1.39 cvs 824: /* take into account compressed files */
1.124 vatton 825: TtaExtractSuffix (temppath, suffix);
1.13 cvs 826: /* Normalize the suffix */
827: i = 0;
1.106 cvs 828: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.13 cvs 829: {
1.25 cvs 830: nsuffix[i] = tolower (suffix[i]);
1.13 cvs 831: i++;
832: }
1.106 cvs 833: nsuffix[i] = EOS;
1.111 cvs 834: if (!strcmp (nsuffix, "txt") || !strcmp (nsuffix, "dtd"))
1.13 cvs 835: return (TRUE);
836: else
837: return (FALSE);
838: }
839: else
840: return (FALSE);
1.3 cvs 841: }
842:
1.4 cvs 843: /*----------------------------------------------------------------------
1.9 cvs 844: IsHTTPPath
845: returns TRUE if path is in fact an http URL.
1.4 cvs 846: ----------------------------------------------------------------------*/
1.112 cvs 847: ThotBool IsHTTPPath (const char *path)
1.3 cvs 848: {
1.5 cvs 849: if (!path)
850: return FALSE;
1.3 cvs 851:
1.106 cvs 852: if ((!strncmp (path, "http:", 5) != 0)
853: || (AHTFTPURL_flag () && !strncmp (path, "ftp:", 4))
854: || !strncmp (path, "internal:", 9))
1.58 cvs 855: return TRUE;
856: return FALSE;
1.3 cvs 857: }
858:
1.4 cvs 859: /*----------------------------------------------------------------------
1.9 cvs 860: IsWithParameters
861: returns TRUE if url has a concatenated query string.
1.4 cvs 862: ----------------------------------------------------------------------*/
1.133 vatton 863: ThotBool IsWithParameters (const char *url)
1.3 cvs 864: {
1.5 cvs 865: int i;
1.3 cvs 866:
1.9 cvs 867: if ((!url) || (url[0] == EOS))
1.5 cvs 868: return FALSE;
1.3 cvs 869:
1.9 cvs 870: i = strlen (url) - 1;
871: while (i > 0 && url[i--] != '?')
1.5 cvs 872: if (i < 0)
873: return FALSE;
1.3 cvs 874:
1.5 cvs 875: /* There is a parameter */
876: return TRUE;
1.3 cvs 877: }
878:
1.4 cvs 879: /*----------------------------------------------------------------------
1.9 cvs 880: IsW3Path
881: returns TRUE if path is in fact a URL.
1.4 cvs 882: ----------------------------------------------------------------------*/
1.133 vatton 883: ThotBool IsW3Path (const char *path)
1.106 cvs 884: {
885: if (strncmp (path, "http:", 5) &&
886: strncmp (path, "ftp:", 4) &&
887: strncmp (path, "telnet:", 7) &&
888: strncmp (path, "wais:", 5) &&
889: strncmp (path, "news:", 5) &&
890: strncmp (path, "gopher:", 7) &&
891: strncmp (path, "mailto:", 7) &&
1.132 cheyroul 892: strncmp (path, "archie:", 7) &&
893: strncmp (path, "https:", 6))
1.72 cvs 894: return FALSE;
895: return TRUE;
1.3 cvs 896: }
897:
1.4 cvs 898: /*----------------------------------------------------------------------
1.90 cvs 899: IsFilePath
900: returns TRUE if path is in fact a URL.
901: ----------------------------------------------------------------------*/
1.133 vatton 902: ThotBool IsFilePath (const char *path)
1.90 cvs 903: {
1.106 cvs 904: if (strncmp (path, "file:", 5))
1.90 cvs 905: return FALSE;
906: return TRUE;
907: }
908:
909: /*----------------------------------------------------------------------
1.9 cvs 910: IsValidProtocol
911: returns true if the url protocol is supported by Amaya.
1.4 cvs 912: ----------------------------------------------------------------------*/
1.133 vatton 913: ThotBool IsValidProtocol (const char *url)
1.106 cvs 914: {
915: if (!strncmp (url, "http:", 5)
916: || !strncmp (url, "internal:", 9)
917: || (AHTFTPURL_flag () && !strncmp (url, "ftp:", 4)))
1.22 cvs 918: /* experimental */
1.24 cvs 919: /*** || !strncmp (path, "news:", 5)***/
1.8 cvs 920: return (TRUE);
1.5 cvs 921: else
1.8 cvs 922: return (FALSE);
1.3 cvs 923: }
924:
1.31 cvs 925:
926: /*----------------------------------------------------------------------
927: GetBaseURL
928: normalizes orgName according to a base associated with doc, and
929: following the standard URL format rules.
930: The function returns the base used to solve relative URL and SRC:
931: - the base of the document,
932: - or the document path (without document name).
933: ----------------------------------------------------------------------*/
1.106 cvs 934: char *GetBaseURL (Document doc)
1.31 cvs 935: {
936: Element el;
937: ElementType elType;
938: AttributeType attrType;
939: Attribute attr;
1.106 cvs 940: char *ptr, *basename;
1.31 cvs 941: int length;
1.151 kahan 942: ThotBool hasDocBase;
1.31 cvs 943:
1.113 cvs 944: if (doc == 0 || !DocumentURLs[doc])
1.110 cvs 945: return NULL;
1.148 kahan 946: /* the other functions expect basename to have no more than MAX_LENGTH chars */
1.106 cvs 947: basename = TtaGetMemory (MAX_LENGTH);
1.148 kahan 948: basename[0] = EOS;
1.31 cvs 949: length = MAX_LENGTH -1;
1.151 kahan 950: hasDocBase = FALSE;
951:
952: /* If the document has a base URL, it has a priority over the headers. */
953: /* @@ We need to do this too when we support XML:base */
954:
955: /* is it a HTML document ? */
956: elType.ElSSchema = TtaGetDocumentSSchema (doc);
957: if (!strcmp (TtaGetSSchemaName (elType.ElSSchema), "HTML"))
958: /* it's a HTML document */
959: {
960: /* get the document element */
961: el = TtaGetMainRoot (doc);
962: /* search the BASE element */
963: elType.ElTypeNum = HTML_EL_HEAD;
964: el = TtaSearchTypedElement (elType, SearchForward, el);
965: if (el)
966: /* there is a HEAD element */
967: {
968: /* look for a BASE element within the HEAD */
969: elType.ElTypeNum = HTML_EL_BASE;
970: el = TtaSearchTypedElement (elType, SearchInTree, el);
971: }
972: if (el)
973: {
974: /* The document has a BASE element. Get the HREF attribute of the
975: BASE element */
976: hasDocBase = TRUE;
977: attrType.AttrSSchema = elType.ElSSchema;
978: attrType.AttrTypeNum = HTML_ATTR_HREF_;
979: attr = TtaGetAttribute (el, attrType);
980: if (attr)
981: {
982: /* Use the base path of the document */
983: TtaGiveTextAttributeValue (attr, basename, &length);
984: }
985: }
986: }
987:
988: /* there was no BASE. Do we have a location header? */
989: if (!hasDocBase && DocumentMeta[doc] && DocumentMeta[doc]->full_content_location
1.148 kahan 990: && DocumentMeta[doc]->full_content_location[0] != EOS)
1.65 cvs 991: {
1.148 kahan 992: strncpy (basename, DocumentMeta[doc]->full_content_location, MAX_LENGTH-1);
993: basename[MAX_LENGTH-1] = EOS;
994: length = strlen (basename);
995: }
996:
997: if (basename[0] != EOS)
998: {
999: /* base and orgName have to be separated by a DIR_SEP */
1000: length--;
1001: if (basename[0] != EOS && basename[length] != URL_SEP &&
1002: basename[length] != DIR_SEP)
1003: /* verify if the base has the form "protocol://server:port" */
1.31 cvs 1004: {
1.148 kahan 1005: ptr = AmayaParseUrl (basename, "", AMAYA_PARSE_ACCESS |
1006: AMAYA_PARSE_HOST |
1007: AMAYA_PARSE_PUNCTUATION);
1008: if (ptr && !strcmp (ptr, basename))
1.31 cvs 1009: {
1.148 kahan 1010: /* it has this form, complete it by adding a URL_STR */
1011: if (strchr (basename, DIR_SEP))
1012: strcat (basename, DIR_STR);
1013: else
1014: strcat (basename, URL_STR);
1015: length++;
1.31 cvs 1016: }
1.149 kahan 1017: else if (!ptr || ptr[0] == EOS)
1018: {
1019: /* no host was detected, we may have a relative URL. We test
1020: if it begins with a URL_SEP, DIR_SEP or period. If yes, it's
1021: relative. */
1022: if (! (basename[0] == '.' || basename[0] == URL_SEP
1023: || basename[0] == DIR_SEP))
1024: basename[0] = EOS;
1025: }
1.148 kahan 1026: if (ptr)
1027: TtaFreeMemory (ptr);
1.31 cvs 1028: }
1.113 cvs 1029: }
1030:
1.148 kahan 1031: /* there was no base element and no location header, we use the DocumentURL */
1032: if (basename[0] == EOS)
1033: {
1034: strncpy (basename, DocumentURLs[doc], MAX_LENGTH-1);
1035: basename[MAX_LENGTH-1] = EOS;
1036: }
1037:
1.31 cvs 1038: /* Remove anything after the last DIR_SEP char. If no such char is found,
1039: * then search for the first ":" char, hoping that what's before that is a
1040: * protocol. If found, end the string there. If neither char is found,
1041: * then discard the whole base element.
1042: */
1.106 cvs 1043: length = strlen (basename) - 1;
1.31 cvs 1044: /* search for the last DIR_SEP char */
1.106 cvs 1045: while (length >= 0 && basename[length] != URL_SEP && basename[length] != DIR_SEP)
1.31 cvs 1046: length--;
1047: if (length >= 0)
1048: /* found the last DIR_SEP char, end the string there */
1.106 cvs 1049: basename[length + 1] = EOS;
1.31 cvs 1050: else
1051: /* search for the first PATH_STR char */
1052: {
1.106 cvs 1053: for (length = 0; basename[length] != ':' &&
1054: basename[length] != EOS; length ++);
1055: if (basename[length] == ':')
1.31 cvs 1056: /* found, so end the string there */
1.106 cvs 1057: basename[length + 1] = EOS;
1.31 cvs 1058: else
1059: /* not found, discard the base */
1.106 cvs 1060: basename[0] = EOS;
1.31 cvs 1061: }
1062: return (basename);
1063: }
1064:
1065:
1.4 cvs 1066: /*----------------------------------------------------------------------
1.40 cvs 1067: GetLocalPath
1068: Allocate and return the local document path associated to the url
1069: ----------------------------------------------------------------------*/
1.150 vatton 1070: char *GetLocalPath (Document doc, char *url)
1.106 cvs 1071: {
1072: char *ptr;
1073: char *n;
1074: char *documentname;
1075: char url_sep;
1.83 cvs 1076: int len;
1.67 cvs 1077: ThotBool noFile;
1.40 cvs 1078:
1.153 vatton 1079: if (url)
1.40 cvs 1080: {
1081: /* check whether the file name exists */
1.106 cvs 1082: len = strlen (url) - 1;
1.71 cvs 1083: if (IsW3Path (url))
1.106 cvs 1084: url_sep = '/';
1.41 cvs 1085: else
1.106 cvs 1086: url_sep = DIR_SEP;
1.41 cvs 1087: noFile = (url[len] == url_sep);
1.40 cvs 1088: if (noFile)
1.106 cvs 1089: url[len] = EOS;
1090: ptr = TtaGetMemory (MAX_LENGTH);
1091: documentname = TtaGetMemory (MAX_LENGTH);
1.78 cvs 1092: TtaExtractName (url, ptr, documentname);
1.106 cvs 1093: sprintf (ptr, "%s%s%d%s", TempFileDirectory, DIR_STR, doc, DIR_STR);
1.40 cvs 1094: if (!TtaCheckDirectory (ptr))
1095: /* directory did not exist */
1.72 cvs 1096: TtaMakeDirectory (ptr);
1.47 cvs 1097:
1.153 vatton 1098: if (doc == 0)
1099: {
1100: n = strrchr (documentname, '.');
1101: if (n)
1102: *n = EOS;
1103: if (documentname[0] == EOS)
1104: strcpy (documentname, "noname");
1105: n = GetTempName (ptr, documentname);
1106: TtaFreeMemory (ptr);
1107: ptr = n;
1108: }
1.69 cvs 1109: else
1.153 vatton 1110: {
1111: /* don't include the query string within document name */
1112: n = strrchr (documentname, '?');
1113: if (n)
1114: *n = EOS;
1115: /* don't include ':' within document name */
1116: n = strchr (documentname, ':');
1117: if (n)
1118: *n = EOS;
1119: /* if after all this operations document name
1120: is empty, let's use noname.html instead */
1121: if (documentname[0] == EOS)
1122: strcat (ptr, "noname.html");
1123: else
1124: strcat (ptr, documentname);
1125: }
1.40 cvs 1126: TtaFreeMemory (documentname);
1127: /* restore the url */
1128: if (noFile)
1.41 cvs 1129: url[len] = url_sep;
1.40 cvs 1130: return (ptr);
1131: }
1132: else
1133: return (NULL);
1134: }
1135:
1.73 cvs 1136: /*----------------------------------------------------------------------
1.79 cvs 1137: ExtractTarget extract the target name from document nane.
1138: ----------------------------------------------------------------------*/
1.150 vatton 1139: void ExtractTarget (char *aName, char *target)
1.79 cvs 1140: {
1.106 cvs 1141: int lg, i;
1142: char *ptr;
1143: char *oldptr;
1.79 cvs 1144:
1145: if (!target || !aName)
1146: /* bad target */
1147: return;
1148:
1.106 cvs 1149: target[0] = EOS;
1150: lg = strlen (aName);
1.79 cvs 1151: if (lg)
1152: {
1153: /* the name is not empty */
1154: oldptr = ptr = &aName[0];
1155: do
1156: {
1.106 cvs 1157: ptr = strrchr (oldptr, '#');
1.79 cvs 1158: if (ptr)
1159: oldptr = &ptr[1];
1160: }
1161: while (ptr);
1162:
1163: i = (int) (oldptr) - (int) (aName); /* name length */
1164: if (i > 1)
1165: {
1.106 cvs 1166: aName[i - 1] = EOS;
1.79 cvs 1167: if (i != lg)
1.106 cvs 1168: strcpy (target, oldptr);
1.79 cvs 1169: }
1170: }
1171: }
1172:
1173: /*----------------------------------------------------------------------
1.90 cvs 1174: RemoveNewLines (text)
1175: Removes any '\n' chars that are found in text.
1176: Returns TRUE if it did the operation, FALSE otherwise.
1.73 cvs 1177: ----------------------------------------------------------------------*/
1.106 cvs 1178: ThotBool RemoveNewLines (char *text)
1179: {
1180: ThotBool change = FALSE;
1181: char *src;
1182: char *dest;
1.90 cvs 1183:
1184: src = text;
1185: dest = text;
1.115 kahan 1186:
1187: /* remove any preceding whitespace */
1188: while (*src && *src == ' ')
1189: {
1190: src++;
1191: change = 1;
1192: }
1193:
1.90 cvs 1194: while (*src)
1195: {
1196: switch (*src)
1197: {
1.106 cvs 1198: case '\n':
1.90 cvs 1199: /* don't copy the newline */
1200: change = 1;
1201: break;
1202: default:
1203: *dest = *src;
1204: dest++;
1205: break;
1206: }
1207: src++;
1208: }
1209: /* copy the last EOS char */
1210: *dest = *src;
1211:
1212: return (change);
1213: }
1214:
1215: /*----------------------------------------------------------------------
1216: CleanCopyFileURL
1217: Copies a file url from a src string to destination string.
1.97 cvs 1218: convertion says which type of convertion (none, %xx, URL_SEP into DIR_SEP
1219: we want to do).
1.90 cvs 1220: ----------------------------------------------------------------------*/
1.106 cvs 1221: static void CleanCopyFileURL (char *dest, char *src,
1222: ConvertionType convertion)
1.90 cvs 1223: {
1224: while (*src)
1.89 cvs 1225: {
1.90 cvs 1226: switch (*src)
1.89 cvs 1227: {
1228: #ifdef _WINDOWS
1.106 cvs 1229: case URL_SEP:
1.96 cvs 1230: /* make DIR_SEP transformation */
1.97 cvs 1231: if (convertion & AM_CONV_URL_SEP)
1.106 cvs 1232: *dest = DIR_SEP;
1.96 cvs 1233: else
1234: *dest = *src;
1.90 cvs 1235: dest++;
1.96 cvs 1236: src++;
1.90 cvs 1237: break;
1.89 cvs 1238: #endif /* _WINDOWS */
1.96 cvs 1239:
1.106 cvs 1240: case '%':
1.97 cvs 1241: if (convertion & AM_CONV_PERCENT)
1.96 cvs 1242: {
1.97 cvs 1243: /* (code adapted from libwww's HTUnEscape function */
1.96 cvs 1244: src++;
1.106 cvs 1245: if (*src != EOS)
1.97 cvs 1246: {
1247: *dest = UnEscapeChar (*src) * 16;
1248: src++;
1249: }
1.106 cvs 1250: if (*src != EOS)
1.97 cvs 1251: {
1252: *dest = *dest + UnEscapeChar (*src);
1253: src++;
1254: }
1255: dest++;
1.96 cvs 1256: }
1.97 cvs 1257: else
1.96 cvs 1258: {
1.97 cvs 1259: *dest = *src;
1260: dest++;
1.96 cvs 1261: src++;
1262: }
1263: break;
1264:
1.90 cvs 1265: default:
1266: *dest = *src;
1.89 cvs 1267: dest++;
1.96 cvs 1268: src++;
1.90 cvs 1269: break;
1.89 cvs 1270: }
1271: }
1.90 cvs 1272: /* copy the EOS char */
1273: *dest = *src;
1.73 cvs 1274: }
1.40 cvs 1275:
1276: /*----------------------------------------------------------------------
1.9 cvs 1277: NormalizeURL
1278: normalizes orgName according to a base associated with doc, and
1279: following the standard URL format rules.
1.113 cvs 1280: if doc is < 0, use as a base the URL of the document that contains
1281: (or contained) the elements that are now in the copy/cut buffer.
1.53 cvs 1282: if doc is 0 and otherPath not NULL, normalizes orgName according to this
1283: other path.
1.9 cvs 1284: The function returns the new complete and normalized URL
1.12 cvs 1285: or file name path (newName) and the name of the document (docName).
1.9 cvs 1286: N.B. If the function can't find out what's the docName, it assigns
1287: the name "noname.html".
1.4 cvs 1288: ----------------------------------------------------------------------*/
1.106 cvs 1289: void NormalizeURL (char *orgName, Document doc, char *newName,
1290: char *docName, char *otherPath)
1291: {
1292: char *basename;
1293: char tempOrgName[MAX_LENGTH];
1294: char *ptr;
1295: char used_sep;
1.84 cvs 1296: int length;
1297: ThotBool check;
1.5 cvs 1298:
1.110 cvs 1299: #ifdef _WINDOWS
1.44 cvs 1300: int ndx;
1.110 cvs 1301: #endif /* _WINDOWS */
1.44 cvs 1302:
1.5 cvs 1303: if (!newName || !docName)
1304: return;
1.18 cvs 1305:
1.113 cvs 1306: if (doc < 0)
1307: basename = TtaStrdup (SavedDocumentURL);
1308: else if (doc > 0)
1.53 cvs 1309: basename = GetBaseURL (doc);
1310: else if (otherPath != NULL)
1.108 cvs 1311: basename = TtaStrdup (otherPath);
1.32 cvs 1312: else
1.53 cvs 1313: basename = NULL;
1.32 cvs 1314:
1.18 cvs 1315: /*
1.31 cvs 1316: * Clean orgName
1317: * Make sure we have a complete orgName, without any leading or trailing
1318: * white spaces, or trailinbg new lines
1319: */
1.5 cvs 1320: ptr = orgName;
1.18 cvs 1321: /* skip leading white space and new line characters */
1.106 cvs 1322: while ((*ptr == SPACE || *ptr == EOL) && *ptr++ != EOS);
1323: strncpy (tempOrgName, ptr, MAX_LENGTH -1);
1324: tempOrgName[MAX_LENGTH -1] = EOS;
1.18 cvs 1325: /*
1.31 cvs 1326: * Make orgName a complete URL
1327: * If the URL does not include a protocol, then try to calculate
1328: * one using the doc's base element (if it exists),
1329: */
1.106 cvs 1330: if (tempOrgName[0] == EOS)
1.53 cvs 1331: {
1.106 cvs 1332: newName[0] = EOS;
1333: docName[0] = EOS;
1.53 cvs 1334: TtaFreeMemory (basename);
1335: return;
1336: }
1.49 cvs 1337:
1338: /* clean trailing white space */
1.106 cvs 1339: length = strlen (tempOrgName) - 1;
1340: while (tempOrgName[length] == SPACE && tempOrgName[length] == EOL)
1.53 cvs 1341: {
1.106 cvs 1342: tempOrgName[length] = EOS;
1.53 cvs 1343: length--;
1344: }
1.50 cvs 1345:
1.55 cvs 1346: /* remove extra dot (which dot???) */
1347: /* ugly, but faster than a strcmp */
1.106 cvs 1348: if (tempOrgName[length] == '.'
1349: && (length == 0 || tempOrgName[length-1] != '.'))
1350: tempOrgName[length] = EOS;
1.50 cvs 1351:
1.94 cvs 1352: if (IsW3Path (tempOrgName))
1.53 cvs 1353: {
1354: /* the name is complete, go to the Sixth Step */
1.106 cvs 1355: strcpy (newName, tempOrgName);
1.53 cvs 1356: SimplifyUrl (&newName);
1357: /* verify if the URL has the form "protocol://server:port" */
1.110 cvs 1358: ptr = AmayaParseUrl (newName, "", AMAYA_PARSE_ACCESS |
1359: AMAYA_PARSE_HOST |
1360: AMAYA_PARSE_PUNCTUATION);
1361: if (ptr && !strcmp (ptr, newName))
1362: /* it has this form, we complete it by adding a DIR_STR */
1.106 cvs 1363: strcat (newName, URL_STR);
1.49 cvs 1364:
1.53 cvs 1365: if (ptr)
1.50 cvs 1366: TtaFreeMemory (ptr);
1.53 cvs 1367: }
1.113 cvs 1368: else if (basename == NULL)
1.53 cvs 1369: /* the name is complete, go to the Sixth Step */
1.106 cvs 1370: strcpy (newName, tempOrgName);
1.53 cvs 1371: else
1372: {
1.31 cvs 1373: /* Calculate the absolute URL, using the base or document URL */
1.110 cvs 1374: #ifdef _WINDOWS
1.53 cvs 1375: if (!IsW3Path (basename))
1376: {
1.106 cvs 1377: length = strlen (tempOrgName);
1.53 cvs 1378: for (ndx = 0; ndx < length; ndx++)
1.106 cvs 1379: if (tempOrgName [ndx] == '/')
1380: tempOrgName [ndx] = '\\';
1.53 cvs 1381: }
1.110 cvs 1382: #endif /* _WINDOWS */
1.25 cvs 1383: ptr = AmayaParseUrl (tempOrgName, basename, AMAYA_PARSE_ALL);
1.53 cvs 1384: if (ptr)
1385: {
1386: SimplifyUrl (&ptr);
1.106 cvs 1387: strcpy (newName, ptr);
1.53 cvs 1388: TtaFreeMemory (ptr);
1389: }
1390: else
1.106 cvs 1391: newName[0] = EOS;
1.53 cvs 1392: }
1.36 cvs 1393:
1394: TtaFreeMemory (basename);
1.18 cvs 1395: /*
1.31 cvs 1396: * Prepare the docname that will refer to this ressource in the
1397: * .amaya directory. If the new URL finishes on DIR_SEP, then use
1398: * noname.html as a default ressource name
1.18 cvs 1399: */
1.106 cvs 1400: if (newName[0] != EOS)
1.53 cvs 1401: {
1.106 cvs 1402: length = strlen (newName) - 1;
1403: if (newName[length] == URL_SEP || newName[length] == DIR_SEP)
1.53 cvs 1404: {
1405: used_sep = newName[length];
1406: check = TRUE;
1407: while (check)
1408: {
1.50 cvs 1409: length--;
1410: while (length >= 0 && newName[length] != used_sep)
1.53 cvs 1411: length--;
1.106 cvs 1412: if (!strncmp (&newName[length+1], "..", 2))
1.53 cvs 1413: {
1.106 cvs 1414: newName[length+1] = EOS;
1.53 cvs 1415: /* remove also previous directory */
1416: length--;
1417: while (length >= 0 && newName[length] != used_sep)
1418: length--;
1.106 cvs 1419: if (strncmp (&newName[length+1], "//", 2))
1.131 cheyroul 1420: /* don't remove server name */
1.106 cvs 1421: newName[length+1] = EOS;
1.53 cvs 1422: }
1.106 cvs 1423: else if (!strncmp (&newName[length+1], ".", 1))
1424: newName[length+1] = EOS;
1.50 cvs 1425: else
1.53 cvs 1426: check = FALSE;
1427: }
1428: /* docname was not comprised inside the URL, so let's */
1429: /* assign the default ressource name */
1.106 cvs 1430: strcpy (docName, "noname.html");
1.53 cvs 1431: }
1432: else
1433: { /* docname is comprised inside the URL */
1.110 cvs 1434: while (length >= 0 && newName[length] != URL_SEP &&
1435: newName[length] != DIR_SEP)
1.53 cvs 1436: length--;
1437: if (length < 0)
1.106 cvs 1438: strcpy (docName, newName);
1.53 cvs 1439: else
1.106 cvs 1440: strcpy (docName, &newName[length+1]);
1.53 cvs 1441: }
1442: }
1443: else
1.106 cvs 1444: docName[0] = EOS;
1.18 cvs 1445: }
1.3 cvs 1446:
1.4 cvs 1447: /*----------------------------------------------------------------------
1.9 cvs 1448: IsSameHost
1.4 cvs 1449: ----------------------------------------------------------------------*/
1.106 cvs 1450: ThotBool IsSameHost (const char *url1, const char *url2)
1.3 cvs 1451: {
1.106 cvs 1452: char *basename_ptr1, *basename_ptr2;
1453: ThotBool result;
1.3 cvs 1454:
1.106 cvs 1455: basename_ptr1 = AmayaParseUrl (url1, "",
1456: AMAYA_PARSE_ACCESS | AMAYA_PARSE_HOST | AMAYA_PARSE_PUNCTUATION);
1457: basename_ptr2 = AmayaParseUrl (url2, "",
1458: AMAYA_PARSE_ACCESS | AMAYA_PARSE_HOST | AMAYA_PARSE_PUNCTUATION);
1.3 cvs 1459:
1.106 cvs 1460: if (strcmp (basename_ptr1, basename_ptr2))
1461: result = FALSE;
1462: else
1463: result = TRUE;
1464: TtaFreeMemory (basename_ptr1);
1465: TtaFreeMemory (basename_ptr2);
1466: return (result);
1.3 cvs 1467: }
1468:
1469:
1.4 cvs 1470: /*----------------------------------------------------------------------
1.22 cvs 1471: HasKnownFileSuffix
1472: returns TRUE if path points to a file ending with a suffix.
1473: ----------------------------------------------------------------------*/
1.153 vatton 1474: ThotBool HasKnownFileSuffix (const char *path)
1.106 cvs 1475: {
1476: char *root;
1477: char temppath[MAX_LENGTH];
1478: char suffix[MAX_LENGTH];
1.22 cvs 1479:
1.106 cvs 1480: if (!path || path[0] == EOS || path[strlen(path)] == DIR_SEP)
1.22 cvs 1481: return (FALSE);
1482:
1.106 cvs 1483: root = AmayaParseUrl(path, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.22 cvs 1484:
1485: if (root)
1486: {
1.106 cvs 1487: strcpy (temppath, root);
1.25 cvs 1488: TtaFreeMemory (root);
1.22 cvs 1489: /* Get the suffix */
1.124 vatton 1490: TtaExtractSuffix (temppath, suffix);
1.22 cvs 1491:
1.106 cvs 1492: if( suffix[0] == EOS)
1.22 cvs 1493: /* no suffix */
1494: return (FALSE);
1495:
1496: /* Normalize the suffix */
1497: ConvertToLowerCase (suffix);
1498:
1.106 cvs 1499: if (!strcmp (suffix, "gz"))
1.22 cvs 1500: /* skip the compressed suffix */
1501: {
1.124 vatton 1502: TtaExtractSuffix (temppath, suffix);
1.106 cvs 1503: if(suffix[0] == EOS)
1.22 cvs 1504: /* no suffix */
1505: return (FALSE);
1506: /* Normalize the suffix */
1507: ConvertToLowerCase (suffix);
1508: }
1509:
1.106 cvs 1510: if (strcmp (suffix, "gif") &&
1511: strcmp (suffix, "xbm") &&
1512: strcmp (suffix, "xpm") &&
1513: strcmp (suffix, "jpg") &&
1514: strcmp (suffix, "pdf") &&
1515: strcmp (suffix, "png") &&
1516: strcmp (suffix, "tgz") &&
1517: strcmp (suffix, "xpg") &&
1518: strcmp (suffix, "xpd") &&
1519: strcmp (suffix, "ps") &&
1520: strcmp (suffix, "au") &&
1521: strcmp (suffix, "html") &&
1522: strcmp (suffix, "htm") &&
1523: strcmp (suffix, "shtml") &&
1524: strcmp (suffix, "xht") &&
1525: strcmp (suffix, "xhtm") &&
1526: strcmp (suffix, "xhtml") &&
1527: strcmp (suffix, "txt") &&
1528: strcmp (suffix, "css") &&
1529: strcmp (suffix, "eps"))
1.22 cvs 1530: return (FALSE);
1531: else
1532: return (TRUE);
1533: }
1534: else
1535: return (FALSE);
1536: }
1537:
1538:
1539: /*----------------------------------------------------------------------
1.24 cvs 1540: ChopURL
1541: Gives back a URL no longer than MAX_PRINT_URL_LENGTH chars (outputURL).
1542: If inputURL is bigger than that size, outputURL receives
1543: MAX_PRINT_URL_LENGTH / 2 chars from the beginning of inputURL, "...",
1544: and MAX_PRINT_URL_LENGTH / 2 chars from the end of inputURL.
1545: If inputURL is not longer than MAX_PRINT_URL_LENGTH chars, it gets
1546: copied into outputURL.
1547: N.B.: outputURL must point to a memory block of MAX_PRINT_URL_LENGTH
1548: chars.
1549: ----------------------------------------------------------------------*/
1.106 cvs 1550: void ChopURL (char *outputURL, const char *inputURL)
1.24 cvs 1551: {
1552: int len;
1.9 cvs 1553:
1.106 cvs 1554: len = strlen (inputURL);
1.24 cvs 1555: if (len <= MAX_PRINT_URL_LENGTH)
1.106 cvs 1556: strcpy (outputURL, inputURL);
1.24 cvs 1557: else
1558: /* make a truncated urlName on the status window */
1559: {
1.106 cvs 1560: strncpy (outputURL, inputURL, MAX_PRINT_URL_LENGTH / 2);
1561: outputURL [MAX_PRINT_URL_LENGTH / 2] = EOS;
1562: strcat (outputURL, "...");
1563: strcat (outputURL, &(inputURL[len - MAX_PRINT_URL_LENGTH / 2 ]));
1.24 cvs 1564: }
1.25 cvs 1565: }
1566:
1567:
1568: /*----------------------------------------------------------------------
1569: scan
1.47 cvs 1570: Scan a filename for its constituents
1.25 cvs 1571: -----------------------------------
1572:
1573: On entry,
1574: name points to a document name which may be incomplete.
1575: On exit,
1576: absolute or relative may be nonzero (but not both).
1577: host, fragment and access may be nonzero if they were specified.
1578: Any which are nonzero point to zero terminated strings.
1579: ----------------------------------------------------------------------*/
1.106 cvs 1580: static void scan (char *name, HTURI *parts)
1.25 cvs 1581: {
1.106 cvs 1582: char * p;
1583: char * after_access = name;
1.32 cvs 1584:
1.43 cvs 1585: memset (parts, '\0', sizeof (HTURI));
1.28 cvs 1586: /* Look for fragment identifier */
1.106 cvs 1587: if ((p = strchr(name, '#')) != NULL)
1.28 cvs 1588: {
1.106 cvs 1589: *p++ = '\0';
1.28 cvs 1590: parts->fragment = p;
1.25 cvs 1591: }
1592:
1.28 cvs 1593: for (p=name; *p; p++)
1594: {
1.106 cvs 1595: if (*p == URL_SEP || *p == DIR_SEP || *p == '#' || *p == '?')
1.28 cvs 1596: break;
1.106 cvs 1597: if (*p == ':')
1.28 cvs 1598: {
1599: *p = 0;
1600: parts->access = after_access; /* Scheme has been specified */
1601:
1602: /* The combination of gcc, the "-O" flag and the HP platform is
1603: unhealthy. The following three lines is a quick & dirty fix, but is
1604: not recommended. Rather, turn off "-O". */
1605:
1606: /* after_access = p;*/
1607: /* while (*after_access == 0)*/
1608: /* after_access++;*/
1609: after_access = p+1;
1.106 cvs 1610: if (!strcasecmp("URL", parts->access))
1.28 cvs 1611: /* Ignore IETF's URL: pre-prefix */
1612: parts->access = NULL;
1613: else
1.25 cvs 1614: break;
1615: }
1616: }
1617:
1618: p = after_access;
1.43 cvs 1619: if (*p == URL_SEP || *p == DIR_SEP)
1.28 cvs 1620: {
1.43 cvs 1621: if (p[1] == URL_SEP)
1.28 cvs 1622: {
1.25 cvs 1623: parts->host = p+2; /* host has been specified */
1.28 cvs 1624: *p = 0; /* Terminate access */
1625: /* look for end of host name if any */
1.106 cvs 1626: p = strchr (parts->host, URL_SEP);
1.28 cvs 1627: if (p)
1628: {
1.106 cvs 1629: *p = EOS; /* Terminate host */
1.25 cvs 1630: parts->absolute = p+1; /* Root has been found */
1.28 cvs 1631: }
1632: }
1633: else
1634: /* Root found but no host */
1635: parts->absolute = p+1;
1636: }
1637: else
1638: {
1.25 cvs 1639: parts->relative = (*after_access) ? after_access : 0; /* zero for "" */
1.28 cvs 1640: }
1.25 cvs 1641: }
1642:
1643:
1644: /*----------------------------------------------------------------------
1.28 cvs 1645: AmayaParseUrl: parse a Name relative to another name
1646:
1647: This returns those parts of a name which are given (and requested)
1648: substituting bits from the related name where necessary.
1.25 cvs 1649:
1.28 cvs 1650: On entry,
1.25 cvs 1651: aName A filename given
1652: relatedName A name relative to which aName is to be parsed. Give
1653: it an empty string if aName is absolute.
1654: wanted A mask for the bits which are wanted.
1655:
1.28 cvs 1656: On exit,
1.25 cvs 1657: returns A pointer to a malloc'd string which MUST BE FREED
1658: ----------------------------------------------------------------------*/
1.106 cvs 1659: char *AmayaParseUrl (const char *aName, char *relatedName, int wanted)
1660: {
1661: char *return_value;
1662: char result[MAX_LENGTH];
1663: char name[MAX_LENGTH];
1664: char rel[MAX_LENGTH];
1665: char *p, *access;
1.29 cvs 1666: HTURI given, related;
1667: int len;
1.106 cvs 1668: char used_sep;
1669: char *used_str;
1.32 cvs 1670:
1.106 cvs 1671: if (strchr (aName, DIR_SEP) || strchr (relatedName, DIR_SEP))
1.33 cvs 1672: {
1.106 cvs 1673: used_str = DIR_STR;
1674: used_sep = DIR_SEP;
1.33 cvs 1675: }
1.32 cvs 1676: else
1.33 cvs 1677: {
1.106 cvs 1678: used_str = URL_STR;
1679: used_sep = URL_SEP;
1.33 cvs 1680: }
1.32 cvs 1681:
1.29 cvs 1682: /* Make working copies of input strings to cut up: */
1683: return_value = NULL;
1684: result[0] = 0; /* Clear string */
1.106 cvs 1685: strcpy (name, aName);
1.29 cvs 1686: if (relatedName != NULL)
1.106 cvs 1687: strcpy (rel, relatedName);
1.29 cvs 1688: else
1.106 cvs 1689: relatedName[0] = EOS;
1.29 cvs 1690:
1691: scan (name, &given);
1692: scan (rel, &related);
1693: access = given.access ? given.access : related.access;
1694: if (wanted & AMAYA_PARSE_ACCESS)
1695: if (access)
1696: {
1.106 cvs 1697: strcat (result, access);
1.29 cvs 1698: if(wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1699: strcat (result, ":");
1.29 cvs 1700: }
1701:
1702: if (given.access && related.access)
1703: /* If different, inherit nothing. */
1.106 cvs 1704: if (strcmp (given.access, related.access) != 0)
1.29 cvs 1705: {
1706: related.host = 0;
1707: related.absolute = 0;
1708: related.relative = 0;
1709: related.fragment = 0;
1710: }
1711:
1712: if (wanted & AMAYA_PARSE_HOST)
1713: if(given.host || related.host)
1714: {
1715: if(wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1716: strcat (result, "//");
1717: strcat (result, given.host ? given.host : related.host);
1.29 cvs 1718: }
1719:
1720: if (given.host && related.host)
1721: /* If different hosts, inherit no path. */
1.106 cvs 1722: if (strcmp (given.host, related.host) != 0)
1.29 cvs 1723: {
1724: related.absolute = 0;
1725: related.relative = 0;
1726: related.fragment = 0;
1727: }
1728:
1729: if (wanted & AMAYA_PARSE_PATH)
1730: {
1731: if (given.absolute)
1732: {
1733: /* All is given */
1734: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1735: strcat (result, used_str);
1736: strcat (result, given.absolute);
1.25 cvs 1737: }
1.29 cvs 1738: else if (related.absolute)
1739: {
1740: /* Adopt path not name */
1.106 cvs 1741: strcat (result, used_str);
1742: strcat (result, related.absolute);
1.29 cvs 1743: if (given.relative)
1744: {
1745: /* Search part? */
1.106 cvs 1746: p = strchr (result, '?');
1.29 cvs 1747: if (!p)
1.106 cvs 1748: p=result+strlen(result)-1;
1.33 cvs 1749: for (; *p!=used_sep; p--); /* last / */
1.29 cvs 1750: /* Remove filename */
1751: p[1]=0;
1752: /* Add given one */
1.106 cvs 1753: strcat (result, given.relative);
1.25 cvs 1754: }
1755: }
1.29 cvs 1756: else if (given.relative)
1757: /* what we've got */
1.106 cvs 1758: strcat (result, given.relative);
1.29 cvs 1759: else if (related.relative)
1.106 cvs 1760: strcat (result, related.relative);
1.29 cvs 1761: else
1762: /* No inheritance */
1.106 cvs 1763: strcat (result, used_str);
1.25 cvs 1764: }
1.29 cvs 1765:
1766: if (wanted & AMAYA_PARSE_ANCHOR)
1767: if (given.fragment || related.fragment)
1768: {
1769: if (given.absolute && given.fragment)
1770: {
1771: /*Fixes for relURLs...*/
1772: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1773: strcat (result, "#");
1774: strcat (result, given.fragment);
1.29 cvs 1775: }
1776: else if (!(given.absolute) && !(given.fragment))
1.106 cvs 1777: strcat (result, "");
1.29 cvs 1778: else
1779: {
1.110 cvs 1780: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1781: strcat (result, "#");
1.110 cvs 1782: strcat (result, given.fragment ? given.fragment : related.fragment);
1.29 cvs 1783: }
1784: }
1.106 cvs 1785: len = strlen (result);
1786: if ((return_value = TtaGetMemory (len + 1)) != NULL)
1787: strcpy (return_value, result);
1.29 cvs 1788: return (return_value); /* exactly the right length */
1.25 cvs 1789: }
1790:
1791: /*----------------------------------------------------------------------
1792: HTCanon
1793: Canonicalizes the URL in the following manner starting from the host
1794: pointer:
1795:
1796: 1) The host name is converted to lowercase
1797: 2) Chop off port if `:80' (http), `:70' (gopher), or `:21' (ftp)
1798:
1799: Return: OK The position of the current path part of the URL
1800: which might be the old one or a new one.
1801:
1802: ----------------------------------------------------------------------*/
1.106 cvs 1803: static char *HTCanon (char **filename, char *host)
1804: {
1805: char *newname = NULL;
1806: char used_sep;
1807: char *path;
1808: char *strptr;
1809: char *port;
1810: char *access = host-3;
1811:
1812: if (*filename && strchr (*filename, URL_SEP))
1813: used_sep = URL_SEP;
1.33 cvs 1814: else
1.106 cvs 1815: used_sep = DIR_SEP;
1.32 cvs 1816:
1.110 cvs 1817: while (access > *filename && *(access - 1) != used_sep) /* Find access method */
1.25 cvs 1818: access--;
1.110 cvs 1819: if ((path = strchr (host, used_sep)) == NULL) /* Find path */
1.106 cvs 1820: path = host + strlen (host);
1821: if ((strptr = strchr (host, '@')) != NULL && strptr < path) /* UserId */
1.82 cvs 1822: host = strptr;
1.110 cvs 1823: if ((port = strchr (host, ':')) != NULL && port > path) /* Port number */
1.82 cvs 1824: port = NULL;
1.25 cvs 1825:
1826: strptr = host; /* Convert to lower-case */
1.82 cvs 1827: while (strptr < path)
1.33 cvs 1828: {
1.123 vatton 1829: *strptr = tolower (*strptr);
1.82 cvs 1830: strptr++;
1.33 cvs 1831: }
1.25 cvs 1832:
1833: /* Does the URL contain a full domain name? This also works for a
1834: numerical host name. The domain name is already made lower-case
1835: and without a trailing dot. */
1836: {
1.106 cvs 1837: char *dot = port ? port : path;
1838: if (dot > *filename && *--dot == '.')
1.33 cvs 1839: {
1.106 cvs 1840: char *orig = dot;
1841: char *dest = dot + 1;
1.82 cvs 1842: while ((*orig++ = *dest++));
1843: if (port) port--;
1.33 cvs 1844: path--;
1.25 cvs 1845: }
1846: }
1847: /* Chop off port if `:', `:80' (http), `:70' (gopher), or `:21' (ftp) */
1.33 cvs 1848: if (port)
1849: {
1.82 cvs 1850: if (!*(port+1) || *(port+1) == used_sep)
1.33 cvs 1851: {
1852: if (!newname)
1853: {
1.106 cvs 1854: char *orig = port;
1855: char *dest = port + 1;
1.82 cvs 1856: while ((*orig++ = *dest++));
1.33 cvs 1857: }
1858: }
1.106 cvs 1859: else if ((!strncmp (access, "http", 4) &&
1860: (*(port + 1) == '8' &&
1861: *(port+2) == '0' &&
1.82 cvs 1862: (*(port+3) == used_sep || !*(port + 3)))) ||
1.106 cvs 1863: (!strncmp (access, "gopher", 6) &&
1864: (*(port+1) == '7' &&
1865: *(port+2) == '0' &&
1.82 cvs 1866: (*(port+3) == used_sep || !*(port+3)))) ||
1.106 cvs 1867: (!strncmp (access, "ftp", 3) &&
1868: (*(port+1) == '2' &&
1869: *(port + 2) == '1' &&
1.82 cvs 1870: (*(port+3) == used_sep || !*(port+3))))) {
1.33 cvs 1871: if (!newname)
1872: {
1.106 cvs 1873: char *orig = port;
1874: char *dest = port + 3;
1.33 cvs 1875: while((*orig++ = *dest++));
1876: /* Update path position, Henry Minsky */
1877: path -= 3;
1.25 cvs 1878: }
1.33 cvs 1879: }
1880: else if (newname)
1.106 cvs 1881: strncat (newname, port, (int) (path - port));
1.33 cvs 1882: }
1.25 cvs 1883:
1.33 cvs 1884: if (newname)
1885: {
1.106 cvs 1886: char *newpath = newname + strlen (newname);
1887: strcat (newname, path);
1.25 cvs 1888: path = newpath;
1.28 cvs 1889: /* Free old copy */
1890: TtaFreeMemory(*filename);
1.25 cvs 1891: *filename = newname;
1.33 cvs 1892: }
1.25 cvs 1893: return path;
1894: }
1895:
1896:
1897: /*----------------------------------------------------------------------
1.29 cvs 1898: SimplifyUrl: simplify a URI
1.32 cvs 1899: A URI is allowed to contain the sequence xxx/../ which may be
1900: replaced by "" , and the sequence "/./" which may be replaced by DIR_STR.
1.28 cvs 1901: Simplification helps us recognize duplicate URIs.
1.25 cvs 1902:
1.28 cvs 1903: Thus, /etc/junk/../fred becomes /etc/fred
1904: /etc/junk/./fred becomes /etc/junk/fred
1.25 cvs 1905:
1.28 cvs 1906: but we should NOT change
1907: http://fred.xxx.edu/../..
1.25 cvs 1908:
1909: or ../../albert.html
1910:
1.28 cvs 1911: In order to avoid empty URLs the following URLs become:
1.25 cvs 1912:
1913: /fred/.. becomes /fred/..
1914: /fred/././.. becomes /fred/..
1915: /fred/.././junk/.././ becomes /fred/..
1916:
1.28 cvs 1917: If more than one set of `://' is found (several proxies in cascade) then
1918: only the part after the last `://' is simplified.
1.25 cvs 1919:
1.28 cvs 1920: Returns: A string which might be the old one or a new one.
1.25 cvs 1921: ----------------------------------------------------------------------*/
1.106 cvs 1922: void SimplifyUrl (char **url)
1923: {
1924: char *path;
1925: char *access;
1926: char *newptr;
1927: char *p;
1928: char *orig, *dest, *end;
1.28 cvs 1929:
1.106 cvs 1930: char used_sep;
1.77 cvs 1931: ThotBool ddot_simplify; /* used to desactivate the double dot simplifcation:
1932: something/../ simplification in relative URLs when they start with a ../ */
1.32 cvs 1933:
1.28 cvs 1934: if (!url || !*url)
1935: return;
1936:
1.106 cvs 1937: if (strchr (*url, URL_SEP))
1938: used_sep = URL_SEP;
1.32 cvs 1939: else
1.106 cvs 1940: used_sep = DIR_SEP;
1.32 cvs 1941:
1.77 cvs 1942: /* should we simplify double dot? */
1943: path = *url;
1.106 cvs 1944: if (*path == '.' && *(path + 1) == '.')
1.77 cvs 1945: ddot_simplify = FALSE;
1946: else
1947: ddot_simplify = TRUE;
1948:
1.28 cvs 1949: /* Find any scheme name */
1.106 cvs 1950: if ((path = strstr (*url, "://")) != NULL)
1.33 cvs 1951: {
1952: /* Find host name */
1.28 cvs 1953: access = *url;
1.123 vatton 1954: while (access < path && (*access = tolower (*access)))
1.82 cvs 1955: access++;
1.28 cvs 1956: path += 3;
1.106 cvs 1957: while ((newptr = strstr (path, "://")) != NULL)
1.82 cvs 1958: /* For proxies */
1.106 cvs 1959: path = newptr + 3;
1.82 cvs 1960: /* We have a host name */
1.84 cvs 1961: path = HTCanon (url, path);
1.25 cvs 1962: }
1.106 cvs 1963: else if ((path = strstr (*url, ":/")) != NULL)
1.28 cvs 1964: path += 2;
1965: else
1966: path = *url;
1.84 cvs 1967: if (*path == used_sep && *(path+1) == used_sep)
1.28 cvs 1968: /* Some URLs start //<foo> */
1969: path += 1;
1.94 cvs 1970: else if (IsFilePath (path))
1971: {
1972: /* doesn't need to do anything more */
1973: return;
1974: }
1.106 cvs 1975: else if (!strncmp (path, "news:", 5))
1.28 cvs 1976: {
1.106 cvs 1977: newptr = strchr (path+5, '@');
1.28 cvs 1978: if (!newptr)
1979: newptr = path + 5;
1980: while (*newptr)
1981: {
1982: /* Make group or host lower case */
1.123 vatton 1983: *newptr = tolower (*newptr);
1.28 cvs 1984: newptr++;
1.25 cvs 1985: }
1.28 cvs 1986: /* Doesn't need to do any more */
1987: return;
1.25 cvs 1988: }
1.130 cheyroul 1989:
1.126 cheyroul 1990:
1.28 cvs 1991: if ((p = path))
1992: {
1.106 cvs 1993: if (!((end = strchr (path, ';')) || (end = strchr (path, '?')) ||
1994: (end = strchr (path, '#'))))
1995: end = path + strlen (path);
1.28 cvs 1996:
1997: /* Parse string second time to simplify */
1998: p = path;
1999: while (p < end)
2000: {
1.110 cvs 2001: /* if we're pointing to a char, it's safe to reactivate the
2002: ../ convertion */
1.106 cvs 2003: if (!ddot_simplify && *p != '.' && *p != used_sep)
1.77 cvs 2004: ddot_simplify = TRUE;
2005:
1.33 cvs 2006: if (*p==used_sep)
1.28 cvs 2007: {
1.106 cvs 2008: if (p > *url && *(p+1) == '.' && (*(p+2) == used_sep || !*(p+2)))
1.28 cvs 2009: {
2010: orig = p + 1;
1.84 cvs 2011: dest = (*(p+2) != used_sep) ? p+2 : p+3;
1.52 cvs 2012: while ((*orig++ = *dest++)); /* Remove a used_sep and a dot*/
1.28 cvs 2013: end = orig - 1;
2014: }
1.106 cvs 2015: else if (ddot_simplify && *(p+1) == '.' && *(p+2) == '.'
1.77 cvs 2016: && (*(p+3) == used_sep || !*(p+3)))
1.28 cvs 2017: {
2018: newptr = p;
1.52 cvs 2019: while (newptr>path && *--newptr!=used_sep); /* prev used_sep */
2020: if (*newptr == used_sep)
2021: orig = newptr + 1;
1.28 cvs 2022: else
1.52 cvs 2023: orig = newptr;
2024:
2025: dest = (*(p+3) != used_sep) ? p+3 : p+4;
2026: while ((*orig++ = *dest++)); /* Remove /xxx/.. */
2027: end = orig-1;
2028: /* Start again with prev slash */
2029: p = newptr;
1.28 cvs 2030: }
1.33 cvs 2031: else if (*(p+1) == used_sep)
1.28 cvs 2032: {
1.33 cvs 2033: while (*(p+1) == used_sep)
1.28 cvs 2034: {
2035: orig = p;
2036: dest = p + 1;
2037: while ((*orig++ = *dest++)); /* Remove multiple /'s */
2038: end = orig-1;
2039: }
2040: }
2041: else
1.25 cvs 2042: p++;
1.28 cvs 2043: }
2044: else
2045: p++;
1.25 cvs 2046: }
2047: }
1.51 cvs 2048: /*
2049: ** Check for host/../.. kind of things
2050: */
1.106 cvs 2051: if (*path == used_sep && *(path+1) == '.' && *(path+2) == '.'
1.77 cvs 2052: && (!*(path+3) || *(path+3) == used_sep))
1.106 cvs 2053: *(path+1) = EOS;
1.28 cvs 2054: return;
2055: }
2056:
2057:
2058: /*----------------------------------------------------------------------
1.96 cvs 2059: NormalizeFile normalizes local names.
1.28 cvs 2060: Return TRUE if target and src differ.
2061: ----------------------------------------------------------------------*/
1.106 cvs 2062: ThotBool NormalizeFile (char *src, char *target, ConvertionType convertion)
1.28 cvs 2063: {
1.110 cvs 2064: #ifndef _WINDOWS
1.106 cvs 2065: char *s;
1.93 cvs 2066: int i;
1.110 cvs 2067: #endif /* !_WINDOWS */
1.82 cvs 2068: ThotBool change;
1.90 cvs 2069: int start_index; /* the first char that we'll copy */
1.28 cvs 2070:
1.54 cvs 2071: change = FALSE;
1.90 cvs 2072: start_index = 0;
2073:
1.106 cvs 2074: if (!src || src[0] == EOS)
1.96 cvs 2075: {
1.106 cvs 2076: target[0] = EOS;
1.96 cvs 2077: return FALSE;
2078: }
1.90 cvs 2079:
2080: /* @@ do I need file: or file:/ here? */
1.106 cvs 2081: if (strncmp (src, "file:", 5) == 0)
1.28 cvs 2082: {
1.90 cvs 2083: /* remove the prefix file: */
2084: start_index += 5;
2085:
2086: /* remove the localhost prefix */
1.106 cvs 2087: if (strncmp (&src[start_index], "//localhost/", 12) == 0)
1.94 cvs 2088: start_index += 11;
2089:
2090: /* remove the first two slashes in / / /path */
2091: while (src[start_index] &&
1.106 cvs 2092: src[start_index] == '/'
2093: && src[start_index + 1] == '/')
1.94 cvs 2094: start_index++;
2095:
2096: #ifdef _WINDOWS
2097: /* remove any extra slash before the drive name */
1.106 cvs 2098: if (src[start_index] == '/'
2099: &&src[start_index+2] == ':')
1.94 cvs 2100: start_index++;
2101: #endif /* _WINDOWS */
1.90 cvs 2102:
1.106 cvs 2103: if (src[start_index] == EOS)
1.90 cvs 2104: /* if there's nothing afterwards, add a DIR_STR */
1.106 cvs 2105: strcpy (target, DIR_STR);
1.90 cvs 2106: else
1.97 cvs 2107: /* as we're inside a file: URL, we'll apply all the convertions
2108: we know */
2109: CleanCopyFileURL (target, &src[start_index], AM_CONV_ALL);
1.96 cvs 2110:
2111: change = TRUE;
2112: }
1.97 cvs 2113: else if (convertion != AM_CONV_NONE)
1.96 cvs 2114: {
2115: /* we are following a "local" relative link, we do all the
2116: convertions except for the HOME_DIR ~ one */
1.97 cvs 2117: CleanCopyFileURL (target, src, convertion);
1.28 cvs 2118: }
1.90 cvs 2119: #ifndef _WINDOWS
1.106 cvs 2120: else if (src[0] == '~')
1.53 cvs 2121: {
1.96 cvs 2122: /* it must be a URL typed in a text input field */
2123: /* do the HOME_DIR ~ substitution */
1.82 cvs 2124: s = TtaGetEnvString ("HOME");
1.106 cvs 2125: strcpy (target, s);
1.90 cvs 2126: #if 0
1.96 cvs 2127: /* JK: invalidated this part of the code as it's simpler
2128: to add the DIR_SEP whenever we have something to add
2129: to the path rather than adding it systematically */
1.106 cvs 2130: if (src[1] != DIR_SEP)
2131: strcat (target, DIR_STR);
1.90 cvs 2132: #endif
1.106 cvs 2133: i = strlen (target);
2134: strcpy (&target[i], &src[1]);
1.54 cvs 2135: change = TRUE;
1.53 cvs 2136: }
1.90 cvs 2137: #endif /* _WINDOWS */
1.28 cvs 2138: else
1.96 cvs 2139: /* leave it as it is */
1.106 cvs 2140: strcpy (target, src);
1.96 cvs 2141:
1.28 cvs 2142: /* remove /../ and /./ */
1.29 cvs 2143: SimplifyUrl (&target);
1.54 cvs 2144: if (!change)
1.106 cvs 2145: change = strcmp (src, target);
1.28 cvs 2146: return (change);
1.25 cvs 2147: }
2148:
1.28 cvs 2149:
1.25 cvs 2150: /*----------------------------------------------------------------------
1.31 cvs 2151: MakeRelativeURL: make relative name
1.25 cvs 2152:
1.28 cvs 2153: This function creates and returns a string which gives an expression of
2154: one address as related to another. Where there is no relation, an absolute
2155: address is retured.
1.25 cvs 2156:
1.28 cvs 2157: On entry,
1.25 cvs 2158: Both names must be absolute, fully qualified names of nodes
2159: (no fragment bits)
2160:
1.28 cvs 2161: On exit,
1.25 cvs 2162: The return result points to a newly allocated name which, if
2163: parsed by AmayaParseUrl relative to relatedName, will yield aName.
2164: The caller is responsible for freeing the resulting name later.
2165: ----------------------------------------------------------------------*/
1.106 cvs 2166: char *MakeRelativeURL (char *aName, char *relatedName)
2167: {
2168: char *return_value;
2169: char result[MAX_LENGTH];
2170: char *p;
2171: char *q;
2172: char *after_access;
2173: char *last_slash = NULL;
2174: int slashes, levels, len;
1.110 cvs 2175: #ifdef _WINDOWS
1.44 cvs 2176: int ndx;
1.110 cvs 2177: #endif /* _WINDOWS */
1.44 cvs 2178:
1.29 cvs 2179: if (aName == NULL || relatedName == NULL)
2180: return (NULL);
2181:
2182: slashes = 0;
2183: after_access = NULL;
2184: p = aName;
2185: q = relatedName;
1.147 vatton 2186: len = 0;
2187: for (; *p && !strncasecmp (p, q, 1); p++, q++, len++)
1.27 cvs 2188: {
2189: /* Find extent of match */
1.106 cvs 2190: if (*p == ':')
1.146 cvs 2191: {
2192: after_access = p + 1;
1.147 vatton 2193: if (len == 1)
2194: /* it's a local Windows path like c:... */
2195: slashes++;
1.146 cvs 2196: }
1.28 cvs 2197: if (*p == DIR_SEP)
1.27 cvs 2198: {
1.29 cvs 2199: /* memorize the last slash position and count them */
1.27 cvs 2200: last_slash = p;
2201: slashes++;
1.25 cvs 2202: }
2203: }
2204:
1.31 cvs 2205: /* q, p point to the first non-matching character or zero */
1.106 cvs 2206: if (*q == EOS)
1.31 cvs 2207: {
2208: /* New name is a subset of the related name */
2209: /* exactly the right length */
1.106 cvs 2210: len = strlen (p);
2211: if ((return_value = TtaGetMemory (len + 1)) != NULL)
2212: strcpy (return_value, p);
1.31 cvs 2213: }
2214: else if ((slashes < 2 && after_access == NULL)
2215: || (slashes < 3 && after_access != NULL))
2216: {
2217: /* Two names whitout common path */
2218: /* exactly the right length */
1.106 cvs 2219: len = strlen (aName);
2220: if ((return_value = TtaGetMemory (len + 1)) != NULL)
2221: strcpy (return_value, aName);
1.31 cvs 2222: }
2223: else
2224: {
2225: /* Some path in common */
1.106 cvs 2226: if (slashes == 3 && strncmp (aName, "http:", 5) == 0)
1.31 cvs 2227: /* just the same server */
1.106 cvs 2228: strcpy (result, last_slash);
1.31 cvs 2229: else
2230: {
2231: levels= 0;
1.106 cvs 2232: for (; *q && *q != '#' && *q != ';' && *q != '?'; q++)
1.31 cvs 2233: if (*q == DIR_SEP)
2234: levels++;
2235:
1.106 cvs 2236: result[0] = EOS;
1.31 cvs 2237: for (;levels; levels--)
1.106 cvs 2238: strcat (result, "../");
2239: strcat (result, last_slash+1);
1.31 cvs 2240: }
1.52 cvs 2241:
2242: if (!*result)
1.106 cvs 2243: strcat (result, "./");
1.52 cvs 2244:
1.31 cvs 2245: /* exactly the right length */
1.106 cvs 2246: len = strlen (result);
2247: if ((return_value = TtaGetMemory (len + 1)) != NULL)
2248: strcpy (return_value, result);
1.52 cvs 2249:
1.25 cvs 2250: }
1.110 cvs 2251: #ifdef _WINDOWS
1.106 cvs 2252: len = strlen (return_value);
1.44 cvs 2253: for (ndx = 0; ndx < len; ndx ++)
1.106 cvs 2254: if (return_value[ndx] == '\\')
2255: return_value[ndx] = '/' ;
1.110 cvs 2256: #endif /* _WINDOWS */
1.29 cvs 2257: return (return_value);
1.24 cvs 2258: }
1.35 cvs 2259:
1.104 kahan 2260: /*----------------------------------------------------------------------
2261: AM_GetFileSize
2262: Returns TRUE and the filesize in the 2nd parameter.
2263: Otherwise, in case of a system error, returns FALSE, with a
2264: filesize of 0L.
2265: ---------------------------------------------------------------------*/
1.106 cvs 2266: ThotBool AM_GetFileSize (char *filename, unsigned long *file_size)
1.104 kahan 2267: {
1.106 cvs 2268: ThotFileHandle handle = ThotFile_BADHANDLE;
2269: ThotFileInfo info;
1.35 cvs 2270:
1.104 kahan 2271: *file_size = 0L;
2272: if (!TtaFileExist (filename))
2273: return FALSE;
2274:
2275: handle = TtaFileOpen (filename, ThotFile_READWRITE);
2276: if (handle == ThotFile_BADHANDLE)
2277: /* ThotFile_BADHANDLE */
2278: return FALSE;
2279: if (TtaFileStat (handle, &info) == 0)
2280: /* bad stat */
2281: info.size = 0L;
2282: TtaFileClose (handle);
2283: *file_size = (unsigned long) info.size;
2284: return TRUE;
2285: }
1.139 kahan 2286:
2287: /*----------------------------------------------------------------------
2288: AM_UseXHTMLMimeType
2289: Returns TRUE if the user has configured Amaya to use this MIME type,
2290: FALSE otherwise.
2291: ---------------------------------------------------------------------*/
2292: ThotBool AM_UseXHTMLMimeType (void)
2293: {
2294: ThotBool xhtml_mimetype;
2295:
2296: /* does the user wants to use the new MIME type? */
2297: TtaGetEnvBoolean ("ENABLE_XHTML_MIMETYPE", &xhtml_mimetype);
2298:
2299: return (xhtml_mimetype);
1.152 kahan 2300: }
2301:
1.154 kahan 2302:
2303: /********************************************
2304: The following routines were adapted from the GNU libc functions
2305: for generating a tmpnam.
2306: *********************************************/
2307:
2308: /* These are the characters used in temporary filenames. */
2309: static const char letters[] =
2310: "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
2311:
2312: /* Generate a temporary file name based on TMPL. TMPL must match the
2313: rules for mk[s]temp (i.e. end in "XXXXXX"). The name constructed
2314: does not exist at the time of the call to __gen_tempname. TMPL is
2315: overwritten with the result.
2316:
2317: We use a clever algorithm to get hard-to-predict names. */
2318: void
2319: AM_gen_tempname (char *tmpl)
2320: {
2321: int len;
2322: char *XXXXXX;
2323: static uint64_t value;
2324: uint64_t random_time_bits;
2325: unsigned int count;
2326: int save_errno = errno;
2327: struct stat st;
2328:
2329: /* A lower bound on the number of temporary files to attempt to
2330: generate. The maximum total number of temporary file names that
2331: can exist for a given template is 62**6. It should never be
2332: necessary to try all these combinations. Instead if a reasonable
2333: number of names is tried (we define reasonable as 62**3) fail to
2334: give the system administrator the chance to remove the problems. */
2335: unsigned int attempts_min = 62 * 62 * 62;
2336:
2337: /* The number of times to attempt to generate a temporary file. To
2338: conform to POSIX, this must be no smaller than TMP_MAX. */
2339: unsigned int attempts = attempts_min < TMP_MAX ? TMP_MAX : attempts_min;
2340:
2341: len = strlen (tmpl);
2342: if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX"))
2343: {
2344: /* @@ JK ? */
2345: errno = EINVAL;
2346: return;
2347: }
2348:
2349: /* This is where the Xs start. */
2350: XXXXXX = &tmpl[len - 6];
2351:
2352: /* Get some more or less random data. */
2353: #ifdef RANDOM_BITS
2354: RANDOM_BITS (random_time_bits);
2355: #else
2356: # if HAVE_GETTIMEOFDAY || _LIBC
2357: {
2358: struct timeval tv;
2359: gettimeofday (&tv, NULL);
2360: random_time_bits = ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec;
2361: }
2362: # else
2363: random_time_bits = time (NULL);
2364: # endif
2365: #endif
2366: value += random_time_bits ^ getpid ();
2367:
2368: for (count = 0; count < attempts; value += 7777, ++count)
2369: {
2370: uint64_t v = value;
2371:
2372: /* Fill in the random bits. */
2373: XXXXXX[0] = letters[v % 62];
2374: v /= 62;
2375: XXXXXX[1] = letters[v % 62];
2376: v /= 62;
2377: XXXXXX[2] = letters[v % 62];
2378: v /= 62;
2379: XXXXXX[3] = letters[v % 62];
2380: v /= 62;
2381: XXXXXX[4] = letters[v % 62];
2382: v /= 62;
2383: XXXXXX[5] = letters[v % 62];
2384:
2385: /* This case is backward from the other three. AM_gen_tempname
2386: succeeds if __xstat fails because the name does not exist.
2387: Note the continue to bypass the common logic at the bottom
2388: of the loop. */
2389: if (stat (tmpl, &st) < 0)
2390: break;
2391:
2392: continue;
2393: }
2394:
2395: if (count == attempts || errno != ENOENT)
2396: tmpl[0] = EOS;
2397: else
2398: errno = save_errno;
2399:
2400: return;
2401: }
2402:
2403: #define JOSE 1
2404:
1.152 kahan 2405: /*-----------------------------------------------------------------------
2406: GetTempName
2407: Front end to the Unix tempnam function, which is independent of the
2408: value of the TMPDIR env value
2409: Returns a dynamically allocated string with a tempname. The user
2410: must free this memory.
2411: -----------------------------------------------------------------------*/
2412: char *GetTempName (const char *dir, const char *prefix)
2413: {
1.154 kahan 2414: #ifdef JOSE
2415:
2416: static char tmpbufmem[FILENAME_MAX];
2417: int len;
2418: int i;
2419:
1.155 cvs 2420: if (!dir || *dir == EOS || !TtaDirExists (dir))
1.154 kahan 2421: return NULL;
2422:
2423: /* make sure that the name is no bigger than FILENAME_MAX */
2424:
1.156 ! cvs 2425: len = strlen (dir);
! 2426: if (len + L_tmpnam > FILENAME_MAX)
1.154 kahan 2427: return NULL;
2428:
2429: /* copy the dir name, and add a DIR_SEP if it's missing */
2430: if (dir[strlen (dir) - 1] == DIR_SEP)
2431: strcpy (tmpbufmem, dir);
2432: else
1.156 ! cvs 2433: {
1.154 kahan 2434: sprintf (tmpbufmem, "%s%c", dir, DIR_SEP);
1.156 ! cvs 2435: len++;
! 2436: }
1.154 kahan 2437:
1.156 ! cvs 2438: /* copy the prefix (no more than L_tmpnam chars, to respect posix). Save
! 2439: space for the 6 X and EOS chars that will become the random bits */
! 2440: if (prefix)
! 2441: {
! 2442: i = 0;
! 2443: while (prefix[i] != EOL && i < L_tmpnam - 8)
! 2444: tmpbufmem[len++] = prefix[i++];
! 2445: tmpbufmem[len] = EOS;
! 2446: }
! 2447:
! 2448: /* Add the 6 X chars */
! 2449: len = strlen (tmpbufmem);
! 2450: i = 0;
! 2451: while (i < 6)
! 2452: {
! 2453: tmpbufmem[len++] = 'X';
! 2454: i++;
! 2455: }
! 2456: tmpbufmem[len] = EOS;
1.154 kahan 2457:
2458: AM_gen_tempname (tmpbufmem);
2459:
2460: if (tmpbufmem[0] == EOS)
2461: return NULL;
2462: else
2463: return (TtaStrdup (tmpbufmem));
2464:
2465: #else
1.152 kahan 2466: char *tmpdir;
2467: char *tmp;
2468: char *name = NULL;
2469:
2470: /* save the value of TMPDIR */
2471: tmp = getenv (TMPDIR);
2472:
2473: if (tmp)
2474: {
2475: tmpdir = TtaStrdup (tmp);
2476: }
2477: else
2478: tmpdir = NULL;
2479:
2480: /* remove TMPDIR from the environment */
2481: if (tmpdir)
2482: {
2483: tmp = TtaGetMemory (strlen (tmpdir) + 2);
2484: sprintf (tmp, "%s=", TMPDIR);
2485: #ifdef _WINDOWS
2486: _putenv (tmp);
2487: #else
2488: putenv (tmp);
2489: #endif /* _WINDOWS */
2490: }
2491:
2492: /* create the tempname */
2493: #ifdef _WINDOWS
2494: /* Under Windows, _tempnam returns the same name until the file is created */
2495: {
2496: char *altprefix;
2497: name = tmpnam (NULL); /* get a possibly unique string */
2498: altprefix = TtaGetMemory(strlen (prefix) + strlen(name) + 1);
2499: sprintf (altprefix, "%s%s", prefix, name + strlen(_P_tmpdir));
2500: name = _tempnam (dir, altprefix); /* get a name that isn't yet in use */
2501: TtaFreeMemory (altprefix);
2502: }
2503: #else
2504: name = tempnam (dir, prefix);
2505: #endif /* _WINDOWS */
2506:
2507: /* restore the value of TMPDIR */
2508: if (tmpdir)
2509: {
2510: #ifdef _WINDOWS
2511: _putenv (tmpdir);
2512: #else
2513: putenv (tmpdir);
2514: #endif /* _WINDOWS */
2515: /* Shouldn't be free (see man for putenv ()) */
2516: /* TtaFreeMemory (tmpdir); */
2517: }
2518: return (name);
1.154 kahan 2519: #endif
1.139 kahan 2520: }
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